Craftsman 536.797501 Operating Instructions Manual page 12

ENGINE
SPARK PLUG MAINTENANCE
if the engine is flooded, clean the area
around the spark plug base to prevent for-
eign matedal from entering the cylinders
when the plug is removed_ Remove and dry
the spark plug,.Regap the electrodes to
.035 in, if necessary'. If a new spark plug is
needed, refer to the Product Specifications
chart in this manual for the proper replace-
mento Tighten the spark plug firmly, if a
torque wrench is available, torque the spark
plug to 15 foot-pounds.
AIR CLEANER MAINTENANCE
The air cleaner fiker should be cleaned and
re-oiled after every 25 hours of use, Clean
more often under dusty conditions.
IMPORTANT: The engine can be worn out
In a very short period of time ifdirt or grit is
allowed to enter the engine.
To clean the air filter, do the following:
. Loosen screws on air cleaner cover and
remove the cover_
• Remove foam element from alr cleaner.
nent
• Wipe inside of air cleaner housing clean.
• Clean foam element by washing in strong
solution of water and household deter-
gent. Rinse thoroughly in clean water.
. Wrap foam element in clean cloth and
squeeze out (do not twist) all the liquid
until dry,.
, Cover the ends and side of the foam
element with same oil used in fuel
mixture. Knead the foam etement
between fingers to distribute oil and
remove excess oil
• Reinstall foam element in air cleaner
housing.
. Service foam element carefully. Inspect
for deterioration or damage. A defective,
improperlyserviced, or mistakenly
assembled air filter will allow dirt particles
to enter the engine.
- Reassemble the filter. Place the cover on
the air cleaner housing and tighten screws
to secure cover to the housing.
a_rc CAUNON: Never run engine without
leaner element installed. A defective air
cleaner can result in loss of engine power
and cause excessive wear or damage to en-
gine components if dirt or dust is permitted
to enter the engine through the carburetor°
An air cleaner that is clogged with dust or
dirt should be cleaned and re-oiled.
CYUNDER EXHAUST PORTS
The cylinder exhaust ports should be
cleaned after each seventy-five (75) to one
hundred (100) hours of operation, For this
procedure we recommend that you take
your unit to a Sears Service Center.
CLEANING
Always remove the dirt and debris from the
miniti!lerlcultivatorafter each use. Remove
any string, wire or vegetation that may be-
come lodged in the mechanism and stop the
tine rotation Proceed as follows:
• Release the throttle control and move the
shut-off switch to the OFF position,then
disconnect the spark plug wire.
. Remove the hairpin and clevis pin
securing the tine(s) assembly to the shaft
and remove the tine(s)o
• Remove the lodged material, Reassemble
the tine(s) on the shaft and secure with a
clevis pin and hairpin,,
• Reconnect the spark plug wire and restart
the engine.
Front Vlew
Item Clevis
Right
Side Side
Tines HaiCpJns Tines
12